Well, do we need it? Because, I can see that people use it only as an investment or as a money laundering tool.
This shows you don't know many Bitcoiners and don't know much about its acceptance. You can really buy a lot of stuff with it. Browse a little and you'll find uses for it.
Well, honest people don't afraid the central authority, in addition with the dishonest ones. Those who want something that is illegal, cannot do that. So they use bitcoin.
Spoken like a true authoritarian. Napoleon would be proud of you.